Poe (Power Over Ethernet)

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Worlds Smallest isolated surface mount IEEE802.3af PoE PD

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Ag9900 is now the smallest PoE module in the world, superseding the Ag9800. It is designed such that adding just two diode bridges and an electrolytic capacitor to this truly tiny module is enough to enable PoE functionality in a product. Ag9900 is fully compliant to the IEEE 802.3af PoE standard. It provides a POE signature, classification, isolation and DC to DC conversion options for 12V, 5V, 24V or 3.3V, while taking up minimal PCB space. It is ideal for space constrained PoE applications such as IP phones, wall mount appliances, IP cameras, thermostats, smoke detectors and room sensors, and is perfect for a whole range of new IoT and building automation sensors and devices.




  • Smallest ever POE PD package size:
    • SMT - 21.2mm(L)x14mm(W)x13.35mm(H)
  • Cost optimised - very low cost
  • IEEE802.3af POE
  • Overload and short-circuit protection
  • Standard Temp range operation -40 degrees to +70 degrees Celcius
  • Over temperature protection option (MT) available for Industrial
    temperature range (-40 to +85 Celcius) operation
  • Wide input voltage range - 36 to 57V
  • Integral DC/DC converter
  • Power output - 12W at 24V and 12V, 9W at 5V and 6W at 3.3V.
  • Ag9924MT Up to 12W at 85 degrees Celcius
  • Ag9912MT Derated for up to 9W at 85 degrees Celcius
  • Ag9905MT Derated for up to 6W at 85 degrees Celcius
  • Ag9903MT Derated for up to 4.5W at 85 degrees Celcius
  • 1500V DC impulse test isolation (input to output)
  • Simple integration


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